<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>表单post提交</title>
</head>

<body>
  <form method="POST" action="/login">
    <div>
      <label>
        <input type="text" name="username">
      </label>
    </div>
    <div>
      <label>
        <input type="text" name="password">
      </label>
    </div>
    <div>
      <button type="submit">进入系统</button>
    </div>

  </form>

</body>

</html>